William millaed



(Model.)

W. MILLMzD.l

LUBRIGATOR.-

Patented'May 8., 1888.

N. FETEHS. Phnnrmhagnphn. washington. uc.

UNITED STATES PATENT OFFICE.

.WILLIAM MILLARD, OF IDIANAPOLIS, INDIANA.

LuBsIcAToR.

SPECIFICATION forming part of Letters Patent No. 382,544, aateaivri a, laas. Application filed October`l 6, 18847. Serial No.,251,639. (Model.)

To aZZ whom' it may concern:

Beit known that I, WILLIAM MILLARD, of

Indianapolis, Marion county, Indiana, have invented a new and useful Improvement in Lulbricators, of which the following is a specification.

. The device relates to lubricating devices for rubbing-surfaces in general, but is more especially designed for, and is here shown applied Io to, the lubrication of crank-wrists.

tor embodying my improvements. Fig. II isa partly-sectioned end elevation of the same.

5 Fig. III is a top view. Fig. IV represents in perspective the sliding block and its appendages.

In the above igures the crank-wrist, when shown, is represented by dotted lines. lThe dotted lines 1 and 2 respectively represent a crank-wrist and a bevel-wheel, which is made fast to the end of said wrist.

3 represents a bracket, which is fastened to the'pit'man-head, and 4 represents another bracket, Which is fastened to said bracket 3. These two brackets support the various operative parts now to be described. Extending downward from the bracket 4 is a nozzle, 5, which, occupying a suitable hole in the pitman-head, communicates with theperiphery of the crank-wrist. A discharge-duct, 6, yconducts from the end of a cylindrical grease-box, 7, into said nozzle. The grease-box 7 has a charging-hole, 8, which is normally closed by a screw-plug, 9. The said grease-box 7 has a packed piston or plunger, 10, Whose screwthreaded rod or stem 11 occupies a correspondingly-screwthreaded eye in a ratchet- Wheel, 12, which is capable of being intermit- 5o tingly rotated by a spring-pawl, 13, 'that is itself actuated periodically by a tappet, 14, which projects froma wheel, 15, into which gears a worm, 16, whose shaft carries a wheel,

17, into which there similarly meshes a like Worm, 18, on whose shaft isa bevel-wheel, 19, propelled by the intermeshing-wheel `2 on the end of the crank-wrist.

The spring-pawl13is fulcrumed at 20 within e a recess to a sliding block, 2l, (see Fig. IV,) 6o and its tooth is held normally in contact withV the ratchet-wheel 12 by pressure of a spring,

22, upon the heel or rear end ofl the pawl.

-The slide 21 is pivotally connected at 21a to a lever, 24, which is fulcrumedat 25 tobracket 65y 4, and against whose projection 26 the tappet 14 impinges at each revolutin'of ythe wheel 15. This movement is made against a spring, 27, whoserecoil after the tappet 14 has passed out of contact with the projection 26 restores the 7o Y parts to their normal position in readiness for the ensuing tappet action.

I .claim as new and'of my invention- The .lubricator for crank-wrists consistingof the combination of greaseboX 7, having duct 6 communicating with the periphery ofthe y l crank-wrist, piston 10,'having a screw-threaded l stem, 11, ratchet-wheel 12, having ascrewthreaded eye, suitably-operated pawl 13 for intermittently rotating the latter, Wheel 15, 8o having tappet 14, lever 24, with which the latter is'adapted to engage, and Wheel and worm gear connection 16, 17, 1 8, 19, and 20 with the crank-wrist, substantially as set forth.

In testimony of which invention I'hereunto 85' set my hand. A

- WILLIAM MILLARD. Attest: I

K. G. REID, HARRY STEMEN. 

